HEF
Hooded Filtered
Supply Ventilator
Extruded Aluminum
Airfoil Propeller
Roof Mounted, Belt Drive

Description: Fan shall be a hooded, low profile, filtered, roof mounted, belt driven, propeller supply fan.

Certifications: Fan shall be manufactured at an ISO 9001 certified facility. Fan shall be listed by Underwriters Laboratories (UL 705) and UL listed for Canada (cUL 705). Fan shall bear the AMCA Certified Ratings Seal for air performance.

Construction: Fan shall be of bolted and welded construction utilizing corrosion resistant fasteners. The motor, bearings and drives shall be mounted on a tubular steel power assembly. The power assembly shall be rigidly secured to the fan housing. The welded steel fan housing shall include a minimum 14 gauge base with integral spun venturi and continuously welded curb cap corners. Fan shall be enclosed with a minimum 18 gauge galvanized steel hood bolted to the fan housing. The hood shall have a removable top cap to allow unobstructed access to the motor and power assembly. Filters shall be washable expanded aluminum media with two inch formed aluminum frame. Unit shall bear an engraved aluminum nameplate and shall be shipped in ISTA Certified Transit Tested Packaging.